ECS CSM-4AX SMD Crystals

ECS CSM-4AX SMD Crystals feature a low profile of 5mm, 30MHz maximum frequency rating, and ±30ppm frequency tolerance. These crystals come in a resistance-weld metal package with an industry-standard footprint. The series offers a 30Ω to 200Ω ESR range, 7pF shunt capacitance, and 500µW drive level. ECS CSM-4AX SMD Crystals have an operating temperature range of -10°C to +70°C.


  • Low profile
  • Industry-standard footprint
  • Lead free
  • RoHS compliant


  • 5mm profile height
  • 3.5MHz to 30MHz frequency range
  • 30Ω to 200Ω ESR range
  • ±30ppm frequency tolerance
  • 7pF shunt capacitance
  • 500µW drive level
  • -10°C to +70°C operating temperature range
Published: 2021-11-17 | Updated: 2022-03-11